<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
</head>

<body>
  <div id="app">
    <!-- 
      .prevent修饰符:   阻止当前事件的默认行为
      .once修饰符:      当前事件只能触发一次
      .capture修饰符:
          控制当前事件在捕获阶段触发(如果不写,默认都是在冒泡阶段触发)
      .stop修饰符:
          阻止当前事件的传播
          如果要阻止捕获,在最外层元素上书写
          如果要阻止冒泡,在最内层元素上书写
    -->
    <button @contextmenu.prevent.once="contextMenu">
      右键我,看我有没有菜单了
    </button>

    <div @click.capture.stop="outerClick">
      outer
      <div @click="innerClick">
        inner
        <div @click.stop="contentClick">content</div>
      </div>
    </div>

    <hr />

    <!-- .self修饰符: 控制只有在当前绑定事件的元素上发生事件,才能触发事件 -->
    <div @click.self="outerClick">
      outer
      <div>
        inner
        <div>content</div>
      </div>
    </div>

    <!-- 
      .enter(配合键盘事件使用):
      按键别名修饰符 , 当输入回车的时候执行回调函数
    -->

    <input type="text" @keyup.enter="publish" />
  </div>



  <script>
    Vue.config.productionTip = false;
    const vm = new Vue({
      el: "#app",
      data () {
        return {};
      },
      methods: {
        contextMenu () {
          console.log("右键触发");
        },
        outerClick () {
          console.log("outer");
        },
        innerClick () {
          console.log("inner");
        },
        contentClick () {
          console.log("content");
        },
        publish () {
          console.log("publish");
        },
      },
    });
  </script>
</body>

</html>